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What are the outputs of comparator?
A comparator circuit compares two voltages and outputs either a 1 (the voltage at the plus side; VDD in the illustration) or a 0 (the voltage at the negative side) to indicate which is larger. Comparators are often used, for example, to check whether an input has reached some predetermined value.
What is the point of a Redstone comparator?
A redstone comparator is a block used in redstone circuits to maintain, compare, or subtract signal strength, or to measure certain block states (primarily the fullness of containers).
Can Redstone go up walls?
Redston wire can only be placed on “solid” blocks like dirt and stone, but cannot be placed on glass or half-slabs. In order to go up a wall, Redstone would have to be placed on top of other redstone wire, which doesn’t count as “Solid”.
Whats the difference between a Redstone repeater and a Redstone comparator?
The simplest property of a redstone comparator is that, unlike the redstone repeater, the charge going in is as strong as the charge coming out. For example, if redstone dust travels 8 blocks into a comparator, the output can travel another 7 blocks before reaching the 15-block limit.
Why does this comparator not output a square wave?
The comparator appears to work as expected: with RV1 at one extreme the output at SQ_OUT is 0V, at the other it is 5V, at a point roughly in the middle I see a waveform. However it has a DC offset and doesn’t look much like a square wave. (Above is 0.5V / div and has a DC offset of nearly 2V).
How is a voltage comparator connected to a power supply?
Here, the open collector output from the voltage comparator is connected to a voltage source via a single pull-up resistor (and an LED for indication) which pulls the single output high to the power supply. When the output switch is HIGH it creates a high impedance path, therefore no current flows as V OUT = Vcc.
Can a comparator operate in a non inverting configuration?
Then an op-amp comparator can be configured to operate in what is called an inverting or a non-inverting configuration.
When to use positive feedback around an op-amp comparator?
The use of positive feedback around an op-amp comparator means that once the output is triggered into saturation at either level, there must be a significant change to the input signal VIN before the output switches back to the original saturation point.